After subduing Vader, Luke appears to have profound control of his anger. I understand that he was far too angry earlier to kill the Emperor as that would lead to the Dark Side.

This is the perfect time for Luke to kill the Emperor the way a true Jedi would... but no. He just lugs his lightsaber across the throne room. Why would he do such a thing?

Why would he waste this perfect opportunity to safely kill the Emperor the way Yoda and Ben would have wanted? Or am I just missing something here?

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    He possibly understood the light side of the force even better than any living Jedi of the dying old Republic did.
    – flq
    Commented Jul 27, 2015 at 8:22
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    ...or the script demands it. You know, father needs son to be salvaged. Commented Jul 27, 2015 at 9:38
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    From looking at related questions it seem that the Jedi code has seriously been retconned since Jedi was released. At the time of Jedi, the Force is never to be used for attack, but there are references in other questions on this site to the idea that Jedi are allowed to kill as long as they are not angry when doing so. That seems to fly in the face of at least half of the Jedi training and discussion we see in Empire, most especially the encounter in The Cave. Commented Jul 27, 2015 at 15:01
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    I would argue that perhaps Yoda had figured out where the Jedi had gone wrong during all those years on Dagobah. Commented Jul 27, 2015 at 15:16
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    Related: scifi.stackexchange.com/questions/96553/… Specifically, read Wad Cheber's answer, which has much better insight than my answer below has. Commented Jul 27, 2015 at 15:21

3 Answers 3


1. Because he was still trying to redeem his father:

Luke: Then you know why I have to face him.

Leia: No! Luke, run away, far away! If he can feel your presence, then leave this place! I wish I could go with you.

Luke: No, you don't. You've always been strong.

Leia: But why must you confront him?

Luke: Because there is good in him. I've felt it. He won't turn me over to the Emperor. I can save him. I can turn him back to the good side. I have to try. [kisses Leia on the cheek, then leaves]

2. Because he expected to either save his father or die trying:

Palpatine: Ah, yes, a Jedi's weapon, much like your father's. By now you must know that your father can never be turned from the dark side. So will it be with you.

Luke: You're wrong. Soon I'll be dead, and you with me.

3. Because he couldn't hope to kill the Emperor without doing so in hate, which would turn Luke to the Dark Side:

Emperor Palpatine: [laughing] Good! Your hate has made you powerful. Now, fulfill your destiny and take your father's place at my side!


Palpatine: I can feel your anger. I am defenseless. Take your weapon. Strike me down with all of your hatred and your journey towards the dark side will be complete!


Palpatine: You want this, don't you? The hate is swelling in you now. Take your Jedi weapon. Use it. I am unarmed. Strike me down with it! Give into your anger! With each passing moment, you make yourself more my servant.

Luke: No.

Palpatine: It is unavoidable. It is your destiny. You, like your father, are now...mine.


Palpatine: Good! Use your aggressive feelings, boy. Let the hate flow through you!

4. Because he still believed that the Death Star, and Palpatine with it, would soon be destroyed either way:

[See quote under #2, above]

5. Because Palpatine clearly wanted him to try, and it is best to not do what Palpatine wants you to do:

[See quotes under #3, above]

6. Because he didn't know that Force Lightning existed, so he probably assumed that Palpatine was unarmed and defenseless; thus, he would be killing an unarmed man:

The young Jedi was all at once confounded and in agony—he’d never heard of such a power, such a corruption of the Force, let alone experienced it.
- Return of the Jedi - The Official Novelization

7. Because it probably definitelywouldn't have worked anyway:

Here's what happened when four highly trained Jedi Knights, who had been studying under a large number of powerful Jedi Masters since they were small children, took on the Emperor:

It took Palpatine TEN SECONDS to kill THREE of the best Jedi in the galaxy. They had decades of training under their belts. Luke, on the other hand, spent A WEEK with Obi Wan, and maybe another month with Yoda. He wouldn't have stood a chance of even hurting the Emperor, let alone killing him. He just wasn't good enough.

Even Yoda couldn't beat Palpatine in a lightsaber fight:

Compare the lightsaber techniques of Mace Windu, Yoda, and Emperor Palpatine to Luke's technique in his final duel with Vader:

This is a sledgehammer approach. He's just flailing away as hard as he can, hoping that something lands. The others make lightsaber combat look like an art; Luke makes it look like he's trying to whack a piñata. He doesn't have what it takes to beat a true pro. Which is why this happened:

Palpatine raised his spidery arms toward Luke: blinding white bolts of energy coruscated from his fingers, shot across the room like sorcerous lightning, and tore through the boy’s insides, looking for ground. The young Jedi was all at once confounded and in agony—he’d never heard of such a power, such a corruption of the Force, let alone experienced it. But if it was Force-generated, it could be Force-repelled. Luke raised his arms to deflect the bolts. Initially, he was successful—the lightning rebounded from his touch, harmlessly into the walls. Soon, though, the shocks came with such speed and power, they coursed over and into him, and he could only shrink before them, convulsed with pain, his knees buckling, his powers at ebb.
- ibid

This would have happened regardless of whether or not Luke was willing to fight the Emperor. And if he had, it is likely (in my opinion) that Vader would have been less inclined to intervene on Luke's behalf. Vader stepped up to the plate because his son was being tortured to death while unarmed and incapable of defending himself, not because he picked a fight he couldn't win.

Remember, Luke's primary objective was not to kill the Emperor - he figured that the Emperor would die when the Death Star was destroyed anyway. His primary objective was to save his father, and he did so the only way he thought possible:

Luke: Never. I'll never turn to the Dark Side. You have failed, Your Highness. I am a Jedi, like my father before me.

Palpatine: [angrily] So be it... Jedi!

Luke refuses to give in to Palpatine's demands and disarms himself.]

Palpatine: [raising his hands toward Luke] If you will not be turned, you will be destroyed! [Fires lightning bolts at Luke, causing him to fall to the floor in agony. Darth Vader gets up and stands next to Palpatine, watching.] Young fool. Only now, at the end, do you understand. [shoots another round of lightning] Your feeble skills are no match for the power of the Dark Side! You have paid the price for your lack of vision! [continues shooting lightning]

Luke: [writhing in agony] Father, please! Help me!

Palpatine: Now, young Skywalker... you will die. [intensifies lightning blasts]

Darth Vader/Anakin Skywalker: [looks back and forth at Luke and Palpatine. He grabs Palpatine from behind and throws him down into the reactor shaft]

[A redeemed Anakin Skywalker is dying in Luke's arms]

Anakin Skywalker: Luke, help me take this mask off.

Luke: But you'll die!

Anakin: Nothing can stop that now. Just for once, let me look on you with my own eyes. [Luke carefully removes Vader's mask to reveal Anakin's disfigured face underneath.] Now...go, my son. Leave me.

Luke: No, you're coming with me. I won't leave you here. I've got to save you!

Anakin: [smiles] You already have, Luke. You were right. You were right about me... Tell your sister... you were right... [dies]

The point is this: Luke couldn't have beaten the Emperor in any other way. His only hope was to get his father to help him. Which is precisely what he did.

As for your subquestion:

Why would he waste this perfect opportunity to safely kill the Emperor the way Yoda and Ben would have wanted?

I've already made it clear that, in my opinion, Yoda never suggested that Luke should kill Vader, and Obi Wan may have made a mistake in saying that Luke had to either kill Vader or fail. Even if they both really did want Luke to kill Vader, they are clearly very happy to have been proven wrong:

enter image description here

Remember: Even great Jedi Masters are sometimes wrong.

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    I think you can get away with using each quote only once. I'm glad someone brought in material from episodes 1 - 3 because I suspect the incongruities between them and 4 - 6 are a big part of the question. Just looking at the 4 - 6 material it's hard to understand why this would even be a question. Commented Jul 27, 2015 at 22:06
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    @WadCheber Great answer. I can always rely on you to provide detailed answers with supporting evidence. Up vote and check mark! Commented Jul 28, 2015 at 2:32
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    @ChristopherHenderson - I'm blushing.
    – Wad Cheber
    Commented Jul 28, 2015 at 2:33
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    My last comment is totally unsupported musings, of course. It does seem to reconcile the thrust of the OP's question in light of the different messages about Jedi use of the force between the original trilogy and the prequels. Commented Jul 28, 2015 at 13:49
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    To be fair, the lightsaber styles in the original trilogy were, like the prequels, a product of their time. If they were all done today they'd likely all be different still. Also, I can't see a mention of the 4v1 embarrassment of cinema that was the arrest attempt of the Emperor without commenting on it... that was the worst display (even the battle master of the Jedi went down without a single swing of his lightsaber? Please...) of "fighting" ever... so lazy.
    – TylerH
    Commented Dec 13, 2016 at 18:57


A Jedi uses the Force for knowledge and defense, never for attack

Combined with the fact that Luke says,

I am a Jedi, like my father before me.

at that moment seems to indicate he has chosen the peaceful Jedi path.

The whole concept that "Yoda and Ben would have wanted" him to kill the emperor or that "a true Jedi would" make me wonder if you saw some other movies from the ones I saw. The idea of killing the Emperor at that point seems the very essence of The Dark Side. Remember that the Emperor himself encourages Luke to kill him:

Take your weapon! Strike me down with all of your hatred and your journey towards the Dark Side will be complete!

It's arguably the most important moment in the whole trilogy. By his choice, Luke is breaking with the legacy he inherited from his father. By choosing the peaceful, Jedi path and the light side of The Force, he defeats the Emperor in the only way he can be defeated. That is the moment that is actually the "Return of the Jedi". Yoda tells him he must confront Vader again before he is a Jedi, and this is the result of that final confrontation. The essence of the final confrontation is not that he must defeat Vader to become a Jedi, but that he must spare Vader and even forgive Vader before he is a Jedi.

Luke's choice also inspires Vader to reconsider his choices. He is able to see Luke as his son, instead of an oppenent, and his compassion is reborn in him. Note that when Vader kills the Emperor, it is an act of self-sacrifice and he doesn't use the Force to do so.

In terms of the whole story arc, it's interesting that the important factors in the victory by the Rebel Alliance at the end of Jedi are Luke's choice and the befriending of the Ewoks on Endor. It could be viewed as a fable with the time-honored (if a bit cliche) message that love and compassion can defeat overwhelming sinister forces.

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    Bravo, Todd. Bravo.
    – Wad Cheber
    Commented Jul 27, 2015 at 20:20
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    Yeah... the 3 prequel movies (say what you want about them) clearly establishes that Jedi tend to remove Sith Lords whenever they are able to. And the Clone Wars (what little I've seen of it) show that the Jedi characters tend to remove other unsavory characters via lightsaber.
    – Ellesedil
    Commented Jul 27, 2015 at 22:00
  • @Ellesedil Maybe the prequel Jedi being so violent and aggressive is part of why they were vulnerable to being assassinated and essentially wiped out. How did none see it coming? How were they so easily defeated? I suspect they had lost the pure path of the light side of the force and therefore did not have the full benefits of the light side when they needed them. They chose violence and were defeated. Luke chose peace and sacrifice and was victorious. Commented Sep 24, 2022 at 7:04

I think he underestimated the Emperor's power (even though Yoda warned him not to do just that). There was a fundamental change in Vader from Episode V to VI and I didn't care for it. He goes from the Galaxy's bad ass to a tired old lap dog. I also really AM NOT a fan of the whole redemption arc of the story. This is a man who has killed unknown scores with his own hand, been complicate in genocide (Alderon), and what did he really do in the end. He saved his son from death. Isn't the main reason he turned to the dark side in the first place to save his wife? Sorry but if Heinrich Himmler "found God" at the end of the war would we just say "oh no problem, welcome back into the fold" I really don't like that idea. They've repeated in in TFA. Kylo has killed how many and stood by while an entire star system was destroyed and his mother wants to "bring him home". Sorry but there are some things there are no coming back from.

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    Perhaps concentrate more on explaining why you think Luke underestimated the Emperor's power and why that stopped him killing the Emperor. Most of your post reads like a rant.
    – Blackwood
    Commented Dec 13, 2016 at 16:23

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